348 Throttle Control Solenoids $700 vs $40?!?

Hey All,

Ferrari part number: 142432
Bosch: 0280140505
Aka: regulator for idle adjustment or air control valve

When I got the car, they were acting up. I swapped sides to see if problem followed but no more issues! I knew one was acting up as I felt it actuate or not. Regardless, car has been running flawless for the last 4 months, but I am replacing them preventative, also the sensors (link below).

Question:
Anyone have a source to the Bosch ones?
Should we trust the $40 Tamkken ones?!
We all agree $700 is ridiculous for OEM, right?

OEM: $700-1,000
https://www.scuderiacarparts.com/part/2348/ferrari/142432/regulator-for-idle-adjustment.html

Duralast: $220
https://www.autozone.com/engine-management/idle-air-control-valve?filterByKeyWord=0280140505&fromString=search&isIgnoreVehicle=false&searchText=0280140505

Tamkken: $40
35150-22000 Idle Speed Air Control Valve 0280140505 034133455 7637024 for Hyundai Tiburon Elantra Accent Kia Sportage Saab 900 Volkswagen VW Cabriolet Golf Jetta/TAMKKEN https://www.amazon.com/dp/B07MSCX1XR/ref=cm_sw_r_cp_api_glt_i_8XGMM6F91V4K0WF3ERQG?_encoding=UTF8&psc=1

Sensors:
Bosch 0280122001 Throttle Position Sensor https://www.amazon.com/dp/B000UIOQT8/ref=cm_sw_r_cp_api_glt_i_27FNGBCJD2D2DJQC7ZVF




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